CN112661079A - Opening device for multi-type well lid - Google Patents
Opening device for multi-type well lid Download PDFInfo
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- CN112661079A CN112661079A CN202011601916.4A CN202011601916A CN112661079A CN 112661079 A CN112661079 A CN 112661079A CN 202011601916 A CN202011601916 A CN 202011601916A CN 112661079 A CN112661079 A CN 112661079A
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- fixed support
- cross beam
- beam frame
- bearing cross
- rotating shaft
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Abstract
The invention discloses an opening device for various well lids. The invention comprises a bearing cross beam frame, wherein the bottom of the bearing cross beam frame is provided with a roller, and the rear end of the bearing cross beam frame is provided with a handrail; the front end of the bearing cross beam frame is provided with a notch, and the bearing cross beam frame close to the back of the notch is provided with a fixed pulley ratchet mechanism; the fixed pulley ratchet mechanism comprises a left fixed support and a right fixed support, a rotating shaft is arranged between the left fixed support and the right fixed support, a fixed pulley is sleeved on the rotating shaft on the inner side of the left fixed support, a hand-operated rod is sleeved on the rotating shaft on the outer side of the left fixed support, a ratchet is sleeved on the rotating shaft on the inner side of the right fixed support, and a pawl is hinged to the inner side of the right fixed support, which is positioned on the upper part of the ratchet; the fixed pulley is connected with a plurality of steel wire ropes, the steel wire ropes pass through the groove opening at the front end of the bearing cross beam frame to naturally fall, and the tail parts of the steel wire ropes, which fall, are respectively provided with a lifting hook. The manhole cover opening device is simple in structure, flexible and changeable, and can effectively solve the problems that time and labor are wasted when the manhole cover is opened, and the efficiency is low.
Description
Technical Field
The invention belongs to an opening device, and particularly relates to an opening device for various well lids.
Background
With the improvement of national economy, the construction of urban infrastructure is more and more perfect, and especially, well covers are needed in public facilities such as drainage, electric power, heating, fire fighting and the like. In community's maintenance, sanitation work, municipal construction, the well lid often need open the maintenance, nevertheless because the well lid is bulky, and weight is heavy, consequently consumed a large amount of physical powers of operation personnel at the in-process of operation for operating time is long, and the operating efficiency is low.
Disclosure of Invention
The invention aims to solve the defects of labor waste and inconvenience in use of a well lid opening device in the prior art, and provides the opening device suitable for various well lids such as multiple holes, multiple shapes (circular shapes and square shapes). The manhole cover opening device is simple in structure, flexible and changeable, extremely wide in application range, and capable of effectively solving the problems that opening of the manhole cover in the existing operation is time-consuming, labor-consuming and low in efficiency.
The above object of the present invention is achieved by the following technical solutions: the opening device for the various well lids comprises a bearing cross beam frame, wherein the rear part of the center line of the bottom of the bearing cross beam frame is provided with a roller, and the rear end part of the center line is provided with an upward inclined handrail; the front end of the bearing cross beam frame is provided with a vertical notch, and the bearing cross beam frame close to the rear of the notch is provided with a fixed pulley ratchet mechanism; the fixed pulley ratchet mechanism comprises a left fixed support and a right fixed support, a rotating shaft is arranged between the left fixed support and the right fixed support, a fixed pulley is sleeved on the rotating shaft on the inner side of the left fixed support, a hand-operated rod is sleeved on the rotating shaft on the outer side of the left fixed support, a ratchet is sleeved on the rotating shaft on the inner side of the right fixed support, a pawl is hinged to the inner side of the right fixed support, which is positioned on the upper part of the ratchet, and the ratchet has a reverse self-locking function; the fixed pulley is connected with a plurality of steel wire ropes in the clockwise winding direction, the steel wire ropes all pass through the notches at the front ends of the bearing cross beam frames to naturally fall, and the tail parts of the falling steel wire ropes are respectively provided with a lifting hook.
Specifically, the bearing cross beam frame is a triangular cross beam frame.
Specifically, the number of the steel wire ropes is four.
Specifically, the lifting hook is in an inverted T shape.
When the device is used, the device is moved to the side of the well lid by the roller, the pawl is lifted, the hand-operated rod is rotated clockwise, so that the fixed pulley is driven to rotate, the steel wire rope wound clockwise on the cross rod is pulled out, and when the length is proper, the pawl is put down to clamp the ratchet wheel, so that the rotation of the ratchet wheel due to gravity in the process of lifting the well lid is prevented. Then insert lifting hook in the hole of opening of well lid to the gyro wheel is the fulcrum, pushes down the handrail, can mention the well lid fast laborsavingly. The lifting hook can be adjusted in position along any direction, is suitable for multi-hole and multi-shape (round and square) well covers, and has an extremely wide application range; when the device is used, the well cover can be lifted and pushed away in a labor-saving manner, and the working efficiency is improved.
The invention has the advantages of good stability, convenient use, high efficiency, light weight, low cost, simple structure and extremely wide application range.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is an elevational view of the ratchet pawl of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. The exemplary embodiments of the present invention and the description thereof are only for explaining the present invention and not to limit the present invention.
Referring to fig. 1, the opening device for various types of well lids of this embodiment includes a bearing beam frame 2, the bearing beam frame 2 of this embodiment adopts a triangular beam frame, the triangular bearing beam is a bearing structure, the stability is good, and by adopting the above structure, the purposes of light weight and low cost can be achieved. The rear part of the bottom center line of the bearing cross beam frame 2 is provided with a roller 13, and the rear end part of the center line is provided with an upward inclined handrail 1. As can be seen from the figure, a vertical notch 8 is arranged at the front end of the bearing cross beam frame 2, and a fixed pulley ratchet mechanism is arranged on the bearing cross beam frame 2 which is arranged immediately behind the notch 8; the fixed pulley ratchet mechanism comprises a left fixed bracket 11 and a right fixed bracket 6, and the two fixed brackets are respectively fixed on the front end of the triangular bearing cross beam frame 2 through hexagon screws 10; a rotating shaft is arranged between the left fixed bracket 11 and the right fixed bracket 6, a fixed pulley 3 is sleeved on the rotating shaft at the inner side of the left fixed bracket 11, and a hand lever 12 is sleeved on the rotating shaft at the outer side of the left fixed bracket 11; with reference to fig. 2, a ratchet wheel 5 is sleeved on a rotating shaft at the inner side of a right fixing support 6, a pawl 4 is hinged at the upper part of the ratchet wheel 5 at the inner side of the right fixing support 6, and the ratchet wheel 5 has a reverse self-locking function, so that the fixed pulley 3 cannot rotate reversely due to the weight of the well lid in the lifting process of the well lid due to the ratchet wheel 5; the fixed pulley 3 is connected with 4 steel wire ropes 7 in the clockwise winding direction, and the length of the steel wire ropes 7 wound on the rotating shaft clockwise can be adjusted by shaking the hand-operated lever 12 to drive the fixed pulley 3 to rotate; therefore, the device can realize the adjustable length of the steel wire rope 7, has flexible and convenient direction and extremely wide application range. The steel wire ropes 7 all pass through the notches 8 at the front ends of the bearing cross beam frames 2 to naturally fall, the tail parts of the falling steel wire ropes 7 are respectively provided with a lifting hook 9, and in the embodiment, the lifting hooks 9 are inverted T-shaped.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (4)
1. An opening device for various well lids comprises a bearing cross beam frame, wherein the rear part of the center line of the bottom of the bearing cross beam frame is provided with a roller, and the rear end part of the center line is provided with an upward inclined handrail; the method is characterized in that: the front end of the bearing cross beam frame is provided with a vertical notch, and the bearing cross beam frame close to the rear of the notch is provided with a fixed pulley ratchet mechanism; the fixed pulley ratchet mechanism comprises a left fixed support and a right fixed support, a rotating shaft is arranged between the left fixed support and the right fixed support, a fixed pulley is sleeved on the rotating shaft on the inner side of the left fixed support, a hand-operated rod is sleeved on the rotating shaft on the outer side of the left fixed support, a ratchet is sleeved on the rotating shaft on the inner side of the right fixed support, a pawl is hinged to the inner side of the right fixed support, which is positioned on the upper part of the ratchet, and the ratchet has a reverse self-locking function; the fixed pulley is connected with a plurality of steel wire ropes in the clockwise winding direction, the steel wire ropes all pass through the notches at the front ends of the bearing cross beam frames to naturally fall, and the tail parts of the falling steel wire ropes are respectively provided with a lifting hook.
2. The opening device for the multi-type manhole cover according to claim 1, wherein: the bearing cross beam frame is a triangular cross beam frame.
3. The opening device for the multi-type manhole cover according to claim 1, wherein: the number of the steel wire ropes is four.
4. The opening device for the multi-type manhole cover according to claim 1, wherein: the lifting hook is in an inverted T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011601916.4A CN112661079A (en) | 2020-12-29 | 2020-12-29 | Opening device for multi-type well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011601916.4A CN112661079A (en) | 2020-12-29 | 2020-12-29 | Opening device for multi-type well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112661079A true CN112661079A (en) | 2021-04-16 |
Family
ID=75410592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011601916.4A Pending CN112661079A (en) | 2020-12-29 | 2020-12-29 | Opening device for multi-type well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112661079A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19544409A1 (en) * | 1995-11-29 | 1997-06-05 | Werner Gengenbach | Lever device for manhole cover or similar |
| CN206375648U (en) * | 2016-12-27 | 2017-08-04 | 中国石油天然气股份有限公司 | Well lid opening device |
| CN109356199A (en) * | 2018-11-22 | 2019-02-19 | 桐城市丽琼金属制品有限公司 | A kind of anti-fall well device of municipal administration inspection well cover water drainage |
| CN109607444A (en) * | 2019-01-11 | 2019-04-12 | 昆明华龙智腾科技股份有限公司 | A kind of Well cover unlatching tool |
| CN211226254U (en) * | 2019-12-03 | 2020-08-11 | 湖南长红铸造有限公司 | Lifting device for well lid |
| CN211946187U (en) * | 2020-03-31 | 2020-11-17 | 新余市中阳道路设施有限公司 | Device is laid with well lid of being convenient for remove to road facilities construction |
-
2020
- 2020-12-29 CN CN202011601916.4A patent/CN112661079A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19544409A1 (en) * | 1995-11-29 | 1997-06-05 | Werner Gengenbach | Lever device for manhole cover or similar |
| CN206375648U (en) * | 2016-12-27 | 2017-08-04 | 中国石油天然气股份有限公司 | Well lid opening device |
| CN109356199A (en) * | 2018-11-22 | 2019-02-19 | 桐城市丽琼金属制品有限公司 | A kind of anti-fall well device of municipal administration inspection well cover water drainage |
| CN109607444A (en) * | 2019-01-11 | 2019-04-12 | 昆明华龙智腾科技股份有限公司 | A kind of Well cover unlatching tool |
| CN211226254U (en) * | 2019-12-03 | 2020-08-11 | 湖南长红铸造有限公司 | Lifting device for well lid |
| CN211946187U (en) * | 2020-03-31 | 2020-11-17 | 新余市中阳道路设施有限公司 | Device is laid with well lid of being convenient for remove to road facilities construction |
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Application publication date: 20210416 |
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| RJ01 | Rejection of invention patent application after publication |